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LAS VEGAS — Daimler Truck North America has unveiled its SuperTruck II high-efficiency tractor-trailer combination, featuring freight efficiency gains that the company said are built around equipment and components central to real-world tractor-trailer operation.

The U.S. manufacturing downturn deepened in January, fueled by a further pullback in orders and factory production.

Increasing freight capacity and attracting more infrastructure investments are likely outcomes of a recent federal designation expanding the inland Corn Belt Ports to span five Midwestern states.

Tesla Inc. investors lost $12 billion over 10 days as a result of Elon Musk’s famous tweet in 2018 that he had “funding secured” to take the company private, a witness testified at a trial over the CEO’s liability.

Three southeastern Louisiana residents have been sentenced for their role in a 2017 staged accident in New Orleans with a tractor-trailer.

Amazon violated federal labor law as part of its efforts to resist unionization at two facilities in New York City, a National Labor Relations Board judge ruled.

SACRAMENTO, Calif. — As California regulators explore new rules to put self-driving semitrucks on the road, labor unions are rushing to the state Legislature to ask for a new law they say will protect their jobs.

The National Highway Traffic Safety Administration has denied a petition filed by the Commercial Vehicle Safety Alliance asking regulators to drop a requirement for trucks and trailers to display a legible certification label on their rear impact guards.

The U.S. Justice Department has requested documents from Tesla Inc. related to its Autopilot and “Full Self-Driving” features, according to a regulatory filing.

ST. PAUL, Minn. — The Minnesota Court of Appeals on Jan. 30 upheld the state’s “Clean Car Rule,” which ties the state’s vehicle emission standards to California regulations.